1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- X R E F _ L I B --
-- --
-- S p e c --
-- --
-- Copyright (C) 1998-2002 Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING. If not, write --
-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
-- MA 02111-1307, USA. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-- Miscellaneous utilities for the cross-referencing tool
with Hostparm;
with Xr_Tabls; use Xr_Tabls;
with GNAT.Directory_Operations; use GNAT.Directory_Operations;
with GNAT.OS_Lib; use GNAT.OS_Lib;
with GNAT.Dynamic_Tables;
with GNAT.Regexp; use GNAT.Regexp;
package Xref_Lib is
subtype File_Name_String is String (1 .. Hostparm.Max_Name_Length);
subtype Line_String is String (1 .. Hostparm.Max_Line_Length);
type ALI_File is limited private;
---------------------
-- Directory Input --
---------------------
type Rec_DIR is limited private;
-- This one is used for recursive search of .ali files
procedure Find_ALI_Files;
-- Find all the ali files that we will have to parse, and have them to
-- the file list
---------------------
-- Search patterns --
---------------------
type Search_Pattern is private;
type Search_Pattern_Ptr is access all Search_Pattern;
procedure Add_Entity
(Pattern : in out Search_Pattern;
Entity : String;
Glob : Boolean := False);
-- Add a new entity to the search pattern (the entity should have the
-- form pattern[:file[:line[:column]]], and it is parsed entirely in
-- this procedure. Glob indicates if we should use the 'globbing
-- patterns' (True) or the full regular expressions (False)
procedure Add_Xref_File (File : String);
-- Add a new file in the list of files to search for references. File
-- is interpreted as a globbing regular expression, which is expanded.
Invalid_Argument : exception;
-- Exception raised when there is a syntax error in the command line
-----------------------
-- Output Algorithms --
-----------------------
procedure Print_Gnatfind
(References : in Boolean;
Full_Path_Name : in Boolean);
procedure Print_Unused (Full_Path_Name : in Boolean);
procedure Print_Vi (Full_Path_Name : in Boolean);
procedure Print_Xref (Full_Path_Name : in Boolean);
-- The actual print procedures. These functions step through the symbol
-- table and print all the symbols if they match the files given on the
-- command line (they already match the entities if they are in the
-- symbol table)
------------------------
-- General Algorithms --
------------------------
function Default_Project_File (Dir_Name : in String) return String;
-- Returns the default Project file name for the directory Dir_Name.
procedure Search
(Pattern : Search_Pattern;
Local_Symbols : Boolean;
Wide_Search : Boolean;
Read_Only : Boolean;
Der_Info : Boolean;
Type_Tree : Boolean);
-- Search every ALI file for entities matching Pattern, and add
-- these entities to the internal symbol tables.
--
-- If Wide_Search is True, all ALI files found in the object path
-- are searched.
--
-- If Read_Only is True, read-only ALI files will also be parsed,
-- similar to gnatmake -a.
--
-- If Der_Info is true, then the derived type information will be
-- processed.
--
-- If Type_Tree is true, then the type hierarchy wil be searched
-- going from the pattern to the parent type.
procedure Search_Xref
(Local_Symbols : Boolean;
Read_Only : Boolean;
Der_Info : Boolean);
-- Search every ali file given in the command line and all their
-- dependencies. If Read_Only is True, we parse the read-only ali
-- files too. If Der_Mode is true then the derived type information will
-- be processed
private
type Rec_DIR is limited record
Dir : GNAT.Directory_Operations.Dir_Type;
end record;
package Dependencies_Tables is new GNAT.Dynamic_Tables
(Table_Component_Type => Xr_Tabls.File_Reference,
Table_Index_Type => Positive,
Table_Low_Bound => 1,
Table_Initial => 400,
Table_Increment => 100);
use Dependencies_Tables;
type Dependencies is new Dependencies_Tables.Instance;
type ALI_File is limited record
Buffer : String_Access := null;
-- Buffer used to read the whole file at once
Current_Line : Positive;
-- Start of the current line in Buffer
Xref_Line : Positive;
-- Start of the xref lines in Buffer
X_File : Xr_Tabls.File_Reference;
-- Stores the cross-referencing file-name ("X..." lines), as an
-- index into the dependencies table
Dep : Dependencies;
-- Store file name associated with each number ("D..." lines)
end record;
-- The following record type stores all the patterns that are searched for
type Search_Pattern is record
Entity : GNAT.Regexp.Regexp;
-- A regular expression matching the entities we are looking for.
-- File is a list of the places where the declaration of the entities
-- has to be. When the user enters a file:line:column on the command
-- line, it is stored as "Entity_Name Declaration_File:line:column"
File_Ref : Xr_Tabls.File_Reference;
-- A reference to the source file, if any.
Initialized : Boolean := False;
-- Set to True when Entity has been initialized.
end record;
-- Stores all the pattern that are search for.
end Xref_Lib;
|
